Re: [R] Power analysis for repeated measures ANCOVA

From: Spencer Graves <spencer.graves_at_pdf.com>
Date: Sun 24 Sep 2006 - 10:13:31 GMT

      I haven't seen a reply to this post, and you may have moved beyond this question by now, but I will nevertheless offer one brief question: Have you looked at 'simulate.lme'? This might simplify coding your power analysis.

      Hope this helps. 
      Spencer Graves

Steve Su wrote:
> Dear All,
>
>
>
> I wonder if anyone has written a code for power analysis with repeated
> measures ANCOVA? I am aware of the following reference:
>
>
>
> Frison L and Pocock SJ: Repeated Measures in Clinical Trials: analysis
> using mean summary statistics and its implications for design in
> Statistics in Medicine, 1992, 11:1685-1704.
>
> Statistics in Medicine
>
>
>
> It will probably be fairly easy to code this up or even work on this
> from scratch, but it would be good if people have already done this and
> can share their code.
>
>
>
> Thanks.
>
>
>
> Steve.
>
>
> [[alternative HTML version deleted]]
>
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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Sun Sep 24 20:25:28 2006

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